1994 lexus ls400 battery drain overnight

10

Asked by Jul 24, 2014 at 10:44 AM

Question type: Maintenance & Repair

Brand new battery and alternator and
recently just replace the relay horn. If
my car sits for about 13 hours my
battery is dead

2 Answers

26,465

I would remove the horn relay and see if you still have the problem. If not the it would indicate a draw of power from the horn circute or even the alarm.

1 of 1 people found this helpful.
10

Does the horn relay cause the door locks to make a small noise or make the power drain when pulling my seat back

1 of 1 people found this helpful.

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